Gastrulation Thiab Embryonic Kab Mob Txheej: Piv txwv nqe lus nug 5 Peb lub embryonic kab mob khaubncaws sab nraud povtseg Cov ectoderm yog ib qho ntawm peb txheej txheej kab mob thawj zaug tsim thaum ntxov embryonic kev loj hlob. Nws yog txheej txheej sab nraud, thiab yog sab nraud rau mesoderm (cov txheej nruab nrab) thiab endoderm (txheej sab hauv tshaj). … Lo lus ectoderm los ntawm Greek ektos lub ntsiab lus "sab nraum", thiab derma lub ntsiab lus "skin". https://en.wikipedia.org › wiki › Ectoderm
Ectoderm - Wikipedia
yog cov ectoderm, mesoderm, thiab endoderm. Mesoderm ua rau pob txha, leeg, lub tso zis, thiab ob lub raum.
Qhov twg hauv qab no yog tsim thaum lub plab zom mov?
Cov txheej txheem kab mob tseem ceeb ( endoderm, mesoderm, thiab ectoderm) tau tsim thiab teeb tsa hauv lawv qhov chaw kom raug thaum lub plab zom mov. Endoderm, feem ntau cov kab mob sab hauv, tsim cov kab mob ntawm lub plab thiab lwm yam hauv nruab nrog cev.
Yuav ua li cas gastrula tsim?
Lub gastrula tsim los ntawm lub hollow, ib txheej txheej ntawm cov hlwb hu ua blastula uas nws tus kheej yog cov khoom lag luam ntawm cov cell rov faib, los yog cleavage, ntawm lub qe fertilized. Qhov kev sib cais no yog ua raws li lub sijhawm ntawm kev loj hlob nyob rau hauv uas cov xwm txheej tseem ceeb tshaj plaws yog kev txav ntawm cov hlwb txheeb ze rau ib leeg.
Dab tsi yog cov derivatives ntawm mesoderm?
Qee yam ntawm mesoderm derivatives suav nrog cov leeg (nruj, plawv thiab pob txha), cov leeg ntawm tus nplaig (occipital somites), pharyngeal arches leeg (cov leeg nqaij ntawm mastication, cov leeg ntawm lub ntsej muag), cov ntaub so ntswg sib txuas, dermis thiab subcutaneous txheej ntawm daim tawv nqaij, pob txha thiab pob txha mos, dura mater, …
Dab tsi yog hom mesoderm thiab lawv cov derivatives?
Derivatives of Mesoderm (Lub Sijhawm Embryonic)
- YParaxial mesoderm.
- Npaum mesoderm.
- Lateral phaj mesoderm.
